Rental investor calculators
Each tool gives the number plus a one-line read on what it means. They screen deals; they don't replace a full underwrite.
DSCR Calculator
Debt-service coverage ratio — the first number a DSCR lender checks, with the 1.20–1.25 threshold flagged.
Cash-on-Cash Return
Annual cash flow over total cash invested, with the mortgage payment computed for you.
1% Rule Quick Check
The ten-second screen before you bother with a full analysis.
Section 8 vs Market Rent
Compare the HUD FMR to your market rent estimate and see the annual spread.